249期：≌【24】≌《06,08,09,10,11,13,16,19,22,26,27,28,29,30,31,32,33,35,38,40,41,43,47,48》开：31对
250期：≌【24】≌《02,03,05,08,09,11,13,15,19,21,22,23,24,27,29,34,37,39,41,42,43,47,48,49》开：42对
251期：≌【24】≌《01,02,03,04,08,09,11,14,15,17,19,21,29,30,32,33,36,39,40,44,45,46,47,49》开：13错
252期：≌【24】≌《04,09,10,12,18,21,22,23,25,26,28,29,30,32,33,34,37,38,39,42,44,45,47,48》开：//